26216519

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:268

約数の個数: 20

約数和(自身を含む): 31259160

約数和(自身を除く): 5042641

約数列:

[1, 7, 49, 61, 179, 343, 427, 1253, 2401, 2989, 8771, 10919, 20923, 61397, 76433, 146461, 429779, 535031, 3745217, 26216519]

約数ペア:

[(1, 26216519), (7, 3745217), (49, 535031), (61, 429779), (179, 146461), (343, 76433), (427, 61397), (1253, 20923), (2401, 10919), (2989, 8771)]